MC68HC908LJ24CPK Freescale Semiconductor, MC68HC908LJ24CPK Datasheet - Page 339
MC68HC908LJ24CPK
Manufacturer Part Number
MC68HC908LJ24CPK
Description
IC MCU 24K FLASH 8MHZ SPI 80LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908LK24CFUE.pdf
(464 pages)
Specifications of MC68HC908LJ24CPK
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
48
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Quantity
Price
Company:
Part Number:
MC68HC908LJ24CPK
Manufacturer:
Freescale Semiconductor
Quantity:
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Part Number:
MC68HC908LJ24CPK
Manufacturer:
FRE/MOT
Quantity:
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16.4.6 Monotonicity
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
NOTE:
Finally, 8-bit truncation mode will place the eight MSBs in ADC data
register low (ADRL). The two LSBs are dropped. This mode of operation
is used when compatibility with 8-bit ADC designs are required. No
interlocking between ADRH and ADRL is present.
Quantization error is affected when only the most significant eight bits
are used as a result. See
The conversion process is monotonic and has no missing codes.
RESULT
003
002
001
000
8-BIT
RESULT
10-BIT
00B
00A
009
008
007
006
005
004
003
002
001
000
Analog-to-Digital Converter (ADC)
1/2
IDEAL 10-BIT CHARACTERISTIC
WITH QUANTIZATION = ±1/2
Figure 16-3. 8-Bit Truncation Mode Error
1 1/2
IDEAL 8-BIT CHARACTERISTIC
WITH QUANTIZATION = ±1/2
1/2
2 1/2
3 1/2
Figure
4 1/2
5 1/2
1 1/2
6 1/2
16-3.
7 1/2
8 1/2
Analog-to-Digital Converter (ADC)
9 1/2
WHEN TRUNCATION IS USED,
ERROR FROM IDEAL 8-BIT = 3/8 LSB
DUE TO NON-IDEAL QUANTIZATION.
2 1/2
INPUT VOLTAGE
REPRESENTED AS 10-BIT
INPUT VOLTAGE
REPRESENTED AS 8-BIT
Functional Descriptions
10-BIT TRUNCATED
TO 8-BIT RESULT
Data Sheet
339
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